Solve

Guides

0

You visited us 0 times! Enjoying our articles? Unlock Full Access!

Question

A compound microscope has an objective of focal length 1 cm and an eyepiece of 4 cm. If the tube length is 20 cm. Then the magnification of the compound microscope is : (final image is at D )
145
14.5
1.45
None of these

A

145

B

1.45

C

None of these

D

14.5

Open in App

Solution

Verified by Toppr

Answer is A.

Was this answer helpful?

0

Similar Questions

Q1

A compound microscope has an objective of focal length 1 cm and an eyepiece of 4 cm. If the tube length is 20 cm. Then the magnification of the compound microscope is : (final image is at D )

View Solution

Q2

A microscope has an objective of focal length

1.5

cm and an eyepiece of focal length

2.5 c m

. If the distance between objective and eyepiece is

20.5 c m

, what is the magnification produced when the final image is at infinite distance away?

View Solution

Q3

Compound microscope has magnification

30

. Focal length of eyepiece is

5 c m

and final image is formed at least distance of distinct vision. Find magnification of objective.

View Solution

Q4

A compound microscope has an objective of focal length 0.5 cm and a tube length of 15 cm. If it produces an angular magnification of 225 in normal adjustment, find the focal length of the eyepiece.

View Solution

Q5

A compound microscope has an eye piece of focal length

10 c m

and an objective of focal length

4 c m

. Calculate the magnification, if an object is kept at a distance of

5 c m

from the objective so that final image is formed at the least distance vision

(20 c m)

.

View Solution